The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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FreeBSD/Linux Kernel Cross Reference
sys/contrib/device-tree/Bindings/rtc/rtc-palmas.txt

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    1 Palmas RTC controller bindings
    2 
    3 Required properties:
    4 - compatible:
    5   - "ti,palmas-rtc" for palma series of the RTC controller
    6 - interrupts: Interrupt number of RTC submodule on device.
    7 
    8 Optional properties:
    9 
   10 - ti,backup-battery-chargeable: The Palmas series device like TPS65913 or
   11         TPS80036 supports the backup battery for powering the RTC when main
   12         battery is removed or in very low power state. The backup battery
   13         can be chargeable or non-chargeable. This flag will tells whether
   14         battery is chargeable or not. If charging battery then driver can
   15         enable the charging.
   16 - ti,backup-battery-charge-high-current: Enable high current charging in
   17         backup battery. Device supports the < 100uA and > 100uA charging.
   18         The high current will be > 100uA. Absence of this property will
   19         charge battery to lower current i.e. < 100uA.
   20 
   21 Example:
   22         palmas: tps65913@58 {
   23                 ...
   24                 palmas_rtc: rtc {
   25                         compatible = "ti,palmas-rtc";
   26                         interrupt-parent = <&palmas>;
   27                         interrupts = <8 0>;
   28                         ti,backup-battery-chargeable;
   29                         ti,backup-battery-charge-high-current;
   30                 };
   31                 ...
   32         };

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